﻿using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Collections;
using System.Configuration;
using Microsoft.Extensions.Configuration;
using Coldairarrow.Util.DbHelpers;

namespace Coldairarrow.Util
{ /// <summary>
  /// DbHelperSQL 的摘要说明
  /// </summary>
    public class DbHelperSQL
    {
        //数据库连接字符串(web.config来配置)，可以动态更改connectionString支持多数据库.  
        //public static string connectionString = @"Data Source=MS-20171215VRFI\SQLSERVER2014;Initial Catalog=nxzjfx;User ID=sa;Password=123456;MultipleActiveResultSets = true;";
        // public static string connectionString = "Data Source=192.168.77.61;Initial Catalog=nxzjfx;User ID=sa;Password=123456;MultipleActiveResultSets = true;";
          //public static string connectionString = "Data Source=192.168.0.132;Initial Catalog=MEGA_ConsignmentPaint;User ID=sa;Password=123456;MultipleActiveResultSets = true;";
        public static string connectionString = "Data Source=192.168.0.132;Database=MEGA_ConsignmentPaint;User ID=sa;Password=123456;MultipleActiveResultSets=true";

        //public static string connectionString = ConfigHelper.Configuration.GetSection("ConnectionStrings").GetValue<string>("BaseDb");

        //public static string connectionString = "Data Source=.;Initial Catalog=nxzjfx;User ID=sa;Password=qazxsw2!@#;MultipleActiveResultSets = true;";
        //public static string connectionString = ConfigurationManager.AppSettings["SQLCONNECTION"];


        public DbHelperSQL()
        {
       
        }

        #region 公用方法
        /// <summary>
        /// 判断是否存在某表的某个字段
        /// </summary>
        /// <param name="tableName">表名称</param>
        /// <param name="columnName">列名称</param>
        /// <returns>是否存在</returns>
        public static bool ColumnExists(string tableName, string columnName)
        {
            string sql = "select count(1) from syscolumns where [id]=object_id('" + tableName + "') and [name]='" + columnName + "'";
            object res = ExecuteScalar(sql);
            if (res == null)
            {
                return false;
            }
            return Convert.ToInt32(res) > 0;
        }
        public static int GetMaxID(string FieldName, string TableName)
        {
            string strsql = "select max(" + FieldName + ")+1 from " + TableName;
            object obj = DbHelperSQL.ExecuteScalar(strsql);
            if (obj == null)
            {
                return 1;
            }
            else
            {
                return int.Parse(obj.ToString());
            }
        }
        public static bool Exists(string strSql)
        {
            object obj = DbHelperSQL.ExecuteScalar(strSql);
            int cmdresult;
            if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
            {
                cmdresult = 0;
            }
            else
            {
                cmdresult = int.Parse(obj.ToString());
            }
            if (cmdresult == 0)
            {
                return false;
            }
            else
            {
                return true;
            }
        }

        /// <summary>
        /// 判断表里是否存在该条数据
        /// </summary>
        /// <param name="FieldName"></param>
        /// <param name="TableName"></param>
        /// <returns></returns>
        public static bool ExistsContent(string FieldName, string TableName)
        {
            string strsql = "select " + FieldName + " from " + TableName;
            object obj = DbHelperSQL.ExecuteScalar(strsql);
            if (obj == null)
            {
                return false;
            }
            else
            {
                return true;
            }
        }
        /// <summary>
        /// 表是否存在
        /// </summary>
        /// <param name="TableName"></param>
        /// <returns></returns>
        public static bool TabExists(string TableName)
        {
            string strsql = "select count(*) from sysobjects where id = object_id(N'[" + TableName + "]') and OBJECTPROPERTY(id, N'IsUserTable') = 1";
            //string strsql = "SELECT count(*) FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[" + TableName + "]') AND type in (N'U')";
            object obj = DbHelperSQL.ExecuteScalar(strsql);
            int cmdresult;
            if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
            {
                cmdresult = 0;
            }
            else
            {
                cmdresult = int.Parse(obj.ToString());
            }
            if (cmdresult == 0)
            {
                return false;
            }
            else
            {
                return true;
            }
        }
        public static bool Exists(string strSql, params SqlParameter[] cmdParms)
        {
            object obj = DbHelperSQL.GetSingle(strSql, cmdParms);
            int cmdresult;
            if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
            {
                cmdresult = 0;
            }
            else
            {
                cmdresult = int.Parse(obj.ToString());
            }
            if (cmdresult == 0)
            {
                return false;
            }
            else
            {
                return true;
            }
        }
        #endregion

        #region  执行简单SQL语句

        /// <summary>
        /// 执行SQL语句，返回影响的记录数
        /// </summary>
        /// <param name="SQLString">SQL语句</param>
        /// <returns>影响的记录数</returns>
        public static int ExecuteSql(string SQLString)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                using (SqlCommand cmd = new SqlCommand(SQLString, connection))
                {
                    try
                    {
                        connection.Open();
                        int rows = cmd.ExecuteNonQuery();
                        return rows;
                    }
                    catch (System.Data.SqlClient.SqlException e)
                    {
                        connection.Close();
                        throw e;
                    }
                }
            }
        }

        /// <summary>
        /// 执行SQL语句，数据是否存在
        /// </summary>
        /// <param name="SQLString">SQL语句</param>
        /// <returns>影响的记录数</returns>
        public static bool ExecuteSqlExists(string SQLString)
        {
            bool check = true;
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                using (SqlCommand cmd = new SqlCommand(SQLString, connection))
                {
                    try
                    {
                        connection.Open();
                        int rows = cmd.ExecuteNonQuery();
                        if (rows>0)
                        {
                            check=true;
                        }
                        else
                        {
                            check = false;
                        }
                        return check;
                    }
                    catch (System.Data.SqlClient.SqlException e)
                    {
                        connection.Close();
                       
                        throw e;
                    }
                }
            }
        }

        public static int ExecuteSqlByTime(string SQLString, int Times)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                using (SqlCommand cmd = new SqlCommand(SQLString, connection))
                {
                    try
                    {
                        connection.Open();
                        cmd.CommandTimeout = Times;
                        int rows = cmd.ExecuteNonQuery();
                        return rows;
                    }
                    catch (System.Data.SqlClient.SqlException e)
                    {
                        connection.Close();
                        throw e;
                    }
                }
            }
        }


        /// <summary>
        /// 执行多条SQL语句，实现数据库事务。
        /// </summary>
        /// <param name="SQLStringList">多条SQL语句</param>  
        public static int ExecuteSqlTran(List<String> SQLStringList)
        {
            using (SqlConnection conn = new SqlConnection(connectionString))
            {
                conn.Open();
                SqlCommand cmd = new SqlCommand();
                cmd.Connection = conn;
                SqlTransaction tx = conn.BeginTransaction();
                cmd.Transaction = tx;
                try
                {
                    int count = 0;
                    for (int n = 0; n < SQLStringList.Count; n++)
                    {
                        string strsql = SQLStringList[n];
                        if (strsql.Trim().Length > 1)
                        {
                            cmd.CommandText = strsql;
                            count += cmd.ExecuteNonQuery();
                        }
                    }
                    tx.Commit();
                    return count;
                }
                catch
                {
                    tx.Rollback();
                    return 0;
                }
            }
        }
        /// <summary>
        /// 执行带一个存储过程参数的的SQL语句。
        /// </summary>
        /// <param name="SQLString">SQL语句</param>
        /// <param name="content">参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加</param>
        /// <returns>影响的记录数</returns>
        public static int ExecuteSql(string SQLString, string content)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                SqlCommand cmd = new SqlCommand(SQLString, connection);
                System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@content", SqlDbType.NText);
                myParameter.Value = content;
                cmd.Parameters.Add(myParameter);
                try
                {
                    connection.Open();
                    int rows = cmd.ExecuteNonQuery();
                    return rows;
                }
                catch (System.Data.SqlClient.SqlException e)
                {
                    throw e;
                }
                finally
                {
                    cmd.Dispose();
                    connection.Close();
                }
            }
        }
        /// <summary>
        /// 执行带一个存储过程参数的的SQL语句。
        /// </summary>
        /// <param name="SQLString">SQL语句</param>
        /// <param name="content">参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加</param>
        /// <returns>影响的记录数</returns>
        public static object ExecuteSqlGet(string SQLString, string content)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                SqlCommand cmd = new SqlCommand(SQLString, connection);
                System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@content", SqlDbType.NText);
                myParameter.Value = content;
                cmd.Parameters.Add(myParameter);
                try
                {
                    connection.Open();
                    object obj = cmd.ExecuteScalar();
                    if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
                    {
                        return null;
                    }
                    else
                    {
                        return obj;
                    }
                }
                catch (System.Data.SqlClient.SqlException e)
                {
                    throw e;
                }
                finally
                {
                    cmd.Dispose();
                    connection.Close();
                }
            }
        }
        /// <summary>
        /// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例)
        /// </summary>
        /// <param name="strSQL">SQL语句</param>
        /// <param name="fs">图像字节,数据库的字段类型为image的情况</param>
        /// <returns>影响的记录数</returns>
        public static int ExecuteSqlInsertImg(string strSQL, byte[] fs)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                SqlCommand cmd = new SqlCommand(strSQL, connection);
                System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@fs", SqlDbType.Image);
                myParameter.Value = fs;
                cmd.Parameters.Add(myParameter);
                try
                {
                    connection.Open();
                    int rows = cmd.ExecuteNonQuery();
                    return rows;
                }
                catch (System.Data.SqlClient.SqlException e)
                {
                    throw e;
                }
                finally
                {
                    cmd.Dispose();
                    connection.Close();
                }
            }
        }

        /// <summary>
        /// 执行一条计算查询结果语句，返回查询结果（object）。
        /// </summary>
        /// <param name="SQLString">计算查询结果语句</param>
        /// <returns>查询结果（object）</returns>
        public static object ExecuteScalar(string SQLString)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                using (SqlCommand cmd = new SqlCommand(SQLString, connection))
                {
                    try
                    {
                        connection.Open();
                        object obj = cmd.ExecuteScalar();
                        if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
                        {
                            return null;
                        }
                        else
                        {
                            return obj;
                        }
                    }
                    catch (System.Data.SqlClient.SqlException e)
                    {
                        connection.Close();
                        throw e;
                    }
                }
            }
        }
        public static object ExecuteScalar(string SQLString, int Times)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                using (SqlCommand cmd = new SqlCommand(SQLString, connection))
                {
                    try
                    {
                        connection.Open();
                        cmd.CommandTimeout = Times;
                        object obj = cmd.ExecuteScalar();
                        if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
                        {
                            return null;
                        }
                        else
                        {
                            return obj;
                        }
                    }
                    catch (System.Data.SqlClient.SqlException e)
                    {
                        connection.Close();
                        throw e;
                    }
                }
            }
        }
        /// <summary>
        /// 执行查询语句，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
        /// </summary>
        /// <param name="strSQL">查询语句</param>
        /// <returns>SqlDataReader</returns>
        public static SqlDataReader ExecuteReader(string strSQL)
        {
            SqlConnection connection = new SqlConnection(connectionString);
            SqlCommand cmd = new SqlCommand(strSQL, connection);
            try
            {
                connection.Open();
                SqlDataReader myReader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
                return myReader;
            }
            catch (System.Data.SqlClient.SqlException e)
            {
                throw e;
            }

        }
        /// <summary>
        /// 执行查询语句，返回DataSet
        /// </summary>
        /// <param name="SQLString">查询语句</param>
        /// <returns>DataSet</returns>
        public static DataSet Query(string SQLString)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                DataSet ds = new DataSet();
                try
                {
                    connection.Open();
                    SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
                    command.Fill(ds, "ds");
                }
                catch (System.Data.SqlClient.SqlException ex)
                {
                    throw new Exception(ex.Message);
                }
                return ds;
            }
        }
        public static DataSet Query(string SQLString, int Times)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                DataSet ds = new DataSet();
                try
                {
                    connection.Open();
                    SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
                    command.SelectCommand.CommandTimeout = Times;
                    command.Fill(ds, "ds");
                }
                catch (System.Data.SqlClient.SqlException ex)
                {
                    throw new Exception(ex.Message);
                }
                return ds;
            }
        }

        /// <summary>
        /// 执行查询语句，返回DataSet
        /// </summary>
        /// <param name="SQLString">查询语句</param>
        /// <returns>DataSet</returns>
        public static DataSet Query(string SQLString, int startRecord, int maxRecords)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                DataSet ds = new DataSet();
                try
                {
                    connection.Open();
                    SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
                    command.Fill(ds, startRecord, maxRecords, "ds");
                }
                catch (System.Data.SqlClient.SqlException ex)
                {
                    throw new Exception(ex.Message);
                }
                return ds;
            }
        }

        #endregion

        #region 执行带参数的SQL语句

        /// <summary>
        /// 执行SQL语句，返回影响的记录数
        /// </summary>
        /// <param name="SQLString">SQL语句</param>
        /// <returns>影响的记录数</returns>
        public static int ExecuteSql(string SQLString, params SqlParameter[] cmdParms)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                using (SqlCommand cmd = new SqlCommand())
                {
                    try
                    {
                        PrepareCommand(cmd, connection, null, SQLString, cmdParms);
                        int rows = cmd.ExecuteNonQuery();
                        cmd.Parameters.Clear();
                        return rows;
                    }
                    catch (System.Data.SqlClient.SqlException e)
                    {
                        throw e;
                    }
                }
            }
        }

        /// <summary>
        /// 执行SQL语句，返回插入数据之后的ID
        /// </summary>
        /// <param name="SQLString">SQL语句</param>
        /// <returns>影响的记录数</returns>
        public static int ExecuteSqlID(string SQLString, params SqlParameter[] cmdParms)
        {
            SQLString += ";select @@identity";
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                using (SqlCommand cmd = new SqlCommand())
                {
                    try
                    {
                        PrepareCommand(cmd, connection, null, SQLString, cmdParms);
                        int rows = int.Parse(cmd.ExecuteScalar().ToString());
                        cmd.Parameters.Clear();
                        return rows;
                    }
                    catch (System.Data.SqlClient.SqlException e)
                    {
                        throw e;
                    }
                }
            }
        }


        /// <summary>
        /// 执行多条SQL语句，实现数据库事务。
        /// </summary>
        /// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
        public static void ExecuteSqlTran(Hashtable SQLStringList)
        {
            using (SqlConnection conn = new SqlConnection(connectionString))
            {
                conn.Open();
                using (SqlTransaction trans = conn.BeginTransaction())
                {
                    SqlCommand cmd = new SqlCommand();
                    try
                    {
                        //循环
                        foreach (DictionaryEntry myDE in SQLStringList)
                        {
                            string cmdText = myDE.Key.ToString();
                            SqlParameter[] cmdParms = (SqlParameter[])myDE.Value;
                            PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
                            int val = cmd.ExecuteNonQuery();
                            cmd.Parameters.Clear();
                        }
                        trans.Commit();
                    }
                    catch
                    {
                        trans.Rollback();
                        throw;
                    }
                }
            }
        }
        /// <summary>
        /// 执行多条SQL语句，实现数据库事务。
        /// </summary>
        /// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
        public static int ExecuteSqlTran(System.Collections.Generic.List<CommandInfo> cmdList)
        {
            using (SqlConnection conn = new SqlConnection(connectionString))
            {
                conn.Open();
                using (SqlTransaction trans = conn.BeginTransaction())
                {
                    SqlCommand cmd = new SqlCommand();
                    try
                    {
                        int count = 0;
                        //循环
                        foreach (CommandInfo myDE in cmdList)
                        {
                            string cmdText = myDE.CommandText;
                            SqlParameter[] cmdParms = (SqlParameter[])myDE.Parameters;
                            PrepareCommand(cmd, conn, trans, cmdText, cmdParms);

                            if (myDE.EffentNextType == EffentNextType.WhenHaveContine || myDE.EffentNextType == EffentNextType.WhenNoHaveContine)
                            {
                                if (myDE.CommandText.ToLower().IndexOf("count(") == -1)
                                {
                                    trans.Rollback();
                                    return 0;
                                }

                                object obj = cmd.ExecuteScalar();
                                bool isHave = false;
                                if (obj == null && obj == DBNull.Value)
                                {
                                    isHave = false;
                                }
                                isHave = Convert.ToInt32(obj) > 0;

                                if (myDE.EffentNextType == EffentNextType.WhenHaveContine && !isHave)
                                {
                                    trans.Rollback();
                                    return 0;
                                }
                                if (myDE.EffentNextType == EffentNextType.WhenNoHaveContine && isHave)
                                {
                                    trans.Rollback();
                                    return 0;
                                }
                                continue;
                            }
                            int val = cmd.ExecuteNonQuery();
                            count += val;
                            if (myDE.EffentNextType == EffentNextType.ExcuteEffectRows && val == 0)
                            {
                                trans.Rollback();
                                return 0;
                            }
                            cmd.Parameters.Clear();
                        }
                        trans.Commit();
                        return count;
                    }
                    catch
                    {
                        trans.Rollback();
                        throw;
                    }
                }
            }
        }
        /// <summary>
        /// 执行多条SQL语句，实现数据库事务。
        /// </summary>
        /// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
        public static void ExecuteSqlTranWithIndentity(System.Collections.Generic.List<CommandInfo> SQLStringList)
        {
            using (SqlConnection conn = new SqlConnection(connectionString))
            {
                conn.Open();
                using (SqlTransaction trans = conn.BeginTransaction())
                {
                    SqlCommand cmd = new SqlCommand();
                    try
                    {
                        int indentity = 0;
                        //循环
                        foreach (CommandInfo myDE in SQLStringList)
                        {
                            string cmdText = myDE.CommandText;
                            SqlParameter[] cmdParms = (SqlParameter[])myDE.Parameters;
                            foreach (SqlParameter q in cmdParms)
                            {
                                if (q.Direction == ParameterDirection.InputOutput)
                                {
                                    q.Value = indentity;
                                }
                            }
                            PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
                            int val = cmd.ExecuteNonQuery();
                            foreach (SqlParameter q in cmdParms)
                            {
                                if (q.Direction == ParameterDirection.Output)
                                {
                                    indentity = Convert.ToInt32(q.Value);
                                }
                            }
                            cmd.Parameters.Clear();
                        }
                        trans.Commit();
                    }
                    catch
                    {
                        trans.Rollback();
                        throw;
                    }
                }
            }
        }
        /// <summary>
        /// 执行多条SQL语句，实现数据库事务。
        /// </summary>
        /// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
        public static void ExecuteSqlTranWithIndentity(Hashtable SQLStringList)
        {
            using (SqlConnection conn = new SqlConnection(connectionString))
            {
                conn.Open();
                using (SqlTransaction trans = conn.BeginTransaction())
                {
                    SqlCommand cmd = new SqlCommand();
                    try
                    {
                        int indentity = 0;
                        //循环
                        foreach (DictionaryEntry myDE in SQLStringList)
                        {
                            string cmdText = myDE.Key.ToString();
                            SqlParameter[] cmdParms = (SqlParameter[])myDE.Value;
                            foreach (SqlParameter q in cmdParms)
                            {
                                if (q.Direction == ParameterDirection.InputOutput)
                                {
                                    q.Value = indentity;
                                }
                            }
                            PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
                            int val = cmd.ExecuteNonQuery();
                            foreach (SqlParameter q in cmdParms)
                            {
                                if (q.Direction == ParameterDirection.Output)
                                {
                                    indentity = Convert.ToInt32(q.Value);
                                }
                            }
                            cmd.Parameters.Clear();
                        }
                        trans.Commit();
                    }
                    catch
                    {
                        trans.Rollback();
                        throw;
                    }
                }
            }
        }
        /// <summary>
        /// 执行一条计算查询结果语句，返回查询结果（object）。
        /// </summary>
        /// <param name="SQLString">计算查询结果语句</param>
        /// <returns>查询结果（object）</returns>
        public static object GetSingle(string SQLString, params SqlParameter[] cmdParms)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                using (SqlCommand cmd = new SqlCommand())
                {
                    try
                    {
                        PrepareCommand(cmd, connection, null, SQLString, cmdParms);
                        object obj = cmd.ExecuteScalar();
                        cmd.Parameters.Clear();
                        if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
                        {
                            return null;
                        }
                        else
                        {
                            return obj;
                        }
                    }
                    catch (System.Data.SqlClient.SqlException e)
                    {
                        throw e;
                    }
                }
            }
        }

        /// <summary>
        /// 执行查询语句，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
        /// </summary>
        /// <param name="strSQL">查询语句</param>
        /// <returns>SqlDataReader</returns>
        public static SqlDataReader ExecuteReader(string SQLString, params SqlParameter[] cmdParms)
        {
            SqlConnection connection = new SqlConnection(connectionString);
            SqlCommand cmd = new SqlCommand();
            try
            {
                PrepareCommand(cmd, connection, null, SQLString, cmdParms);
                SqlDataReader myReader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
                cmd.Parameters.Clear();
                return myReader;
            }
            catch (System.Data.SqlClient.SqlException e)
            {
                throw e;
            }
            //   finally
            //   {
            //    cmd.Dispose();
            //    connection.Close();
            //   } 

        }

        /// <summary>
        /// 执行查询语句，返回DataSet
        /// </summary>
        /// <param name="SQLString">查询语句</param>
        /// <returns>DataSet</returns>
        public static DataSet Query(string SQLString, params SqlParameter[] cmdParms)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                SqlCommand cmd = new SqlCommand();
                PrepareCommand(cmd, connection, null, SQLString, cmdParms);
                using (SqlDataAdapter da = new SqlDataAdapter(cmd))
                {
                    DataSet ds = new DataSet();
                    try
                    {
                        da.Fill(ds, "ds");
                        cmd.Parameters.Clear();
                    }
                    catch (System.Data.SqlClient.SqlException ex)
                    {
                        throw new Exception(ex.Message);
                    }
                    return ds;
                }
            }
        }

        /// <summary>
        /// 执行查询语句，返回DataSet
        /// </summary>
        /// <param name="SQLString">查询语句</param>
        /// <returns>DataSet</returns>
        public static DataSet Query(string SQLString, int startRecord, int maxRecords, params SqlParameter[] cmdParms)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                SqlCommand cmd = new SqlCommand();
                PrepareCommand(cmd, connection, null, SQLString, cmdParms);
                using (SqlDataAdapter da = new SqlDataAdapter(cmd))
                {
                    DataSet ds = new DataSet();
                    try
                    {
                        da.Fill(ds, startRecord, maxRecords, "ds");
                        cmd.Parameters.Clear();
                    }
                    catch (System.Data.SqlClient.SqlException ex)
                    {
                        throw new Exception(ex.Message);
                    }
                    return ds;
                }
            }
        }

        /// <summary>
        /// 执行一条计算查询结果语句，返回查询结果（object）。
        /// </summary>
        /// <param name="SQLString">计算查询结果语句</param>
        /// <returns>查询结果（object）</returns>
        public static object ExecuteScalar(string SQLString, params SqlParameter[] cmdParms)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                SqlCommand cmd = new SqlCommand();
                PrepareCommand(cmd, connection, null, SQLString, cmdParms);
                object obj = cmd.ExecuteScalar();
                if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
                {
                    return null;
                }
                else
                {
                    return obj;
                }

            }
        }
        /// <summary>
        /// 执行一条计算查询结果语句，返回查询结果（object）。
        /// </summary>
        /// <param name="SQLString">计算查询结果语句</param>
        /// <returns>查询结果（object）</returns>
        public static int ExecuteScalarInt(string SQLString, params SqlParameter[] cmdParms)
        {
            object obj = ExecuteScalar(SQLString, cmdParms);
            if (obj != null)
            {
                return int.Parse(obj.ToString());
            }
            else
            {
                return 0;
            }
        }
        private static void PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, string cmdText, SqlParameter[] cmdParms)
        {
            if (conn.State != ConnectionState.Open)
                conn.Open();
            cmd.Connection = conn;
            cmd.CommandText = cmdText;
            if (trans != null)
                cmd.Transaction = trans;
            cmd.CommandType = CommandType.Text;//cmdType;
            if (cmdParms != null)
            {
                foreach (SqlParameter parameter in cmdParms)
                {
                    if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
                        (parameter.Value == null))
                    {
                        parameter.Value = DBNull.Value;
                    }
                    cmd.Parameters.Add(parameter);
                }
            }
        }

        #endregion

        #region 存储过程操作

        /// <summary>
        /// 执行存储过程，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
        /// </summary>
        /// <param name="storedProcName">存储过程名</param>
        /// <param name="parameters">存储过程参数</param>
        /// <returns>SqlDataReader</returns>
        public static SqlDataReader RunProcedure(string storedProcName, IDataParameter[] parameters)
        {
            SqlConnection connection = new SqlConnection(connectionString);
            SqlDataReader returnReader;
            connection.Open();
            SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
            command.CommandType = CommandType.StoredProcedure;
            returnReader = command.ExecuteReader(CommandBehavior.CloseConnection);
            return returnReader;

        }


        /// <summary>
        /// 执行存储过程
        /// </summary>
        /// <param name="storedProcName">存储过程名</param>
        /// <param name="parameters">存储过程参数</param>
        /// <param name="tableName">DataSet结果中的表名</param>
        /// <returns>DataSet</returns>
        public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                DataSet dataSet = new DataSet();
                connection.Open();
                SqlDataAdapter sqlDA = new SqlDataAdapter();
                sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
                sqlDA.Fill(dataSet, tableName);
                connection.Close();
                return dataSet;
            }
        }
        public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName, int Times)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                DataSet dataSet = new DataSet();
                connection.Open();
                SqlDataAdapter sqlDA = new SqlDataAdapter();
                sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
                sqlDA.SelectCommand.CommandTimeout = Times;
                sqlDA.Fill(dataSet, tableName);
                connection.Close();
                return dataSet;
            }
        }


        /// <summary>
        /// 构建 SqlCommand 对象(用来返回一个结果集，而不是一个整数值)
        /// </summary>
        /// <param name="connection">数据库连接</param>
        /// <param name="storedProcName">存储过程名</param>
        /// <param name="parameters">存储过程参数</param>
        /// <returns>SqlCommand</returns>
        private static SqlCommand BuildQueryCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
        {
            SqlCommand command = new SqlCommand(storedProcName, connection);
            command.CommandType = CommandType.StoredProcedure;
            foreach (SqlParameter parameter in parameters)
            {
                if (parameter != null)
                {
                    // 检查未分配值的输出参数,将其分配以DBNull.Value.
                    if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
                        (parameter.Value == null))
                    {
                        parameter.Value = DBNull.Value;
                    }
                    command.Parameters.Add(parameter);
                }
            }

            return command;
        }

        /// <summary>
        /// 执行存储过程，返回影响的行数  
        /// </summary>
        /// <param name="storedProcName">存储过程名</param>
        /// <param name="parameters">存储过程参数</param>
        /// <param name="rowsAffected">影响的行数</param>
        /// <returns></returns>
        public static int RunProcedure(string storedProcName, IDataParameter[] parameters, out int rowsAffected)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                int result;
                connection.Open();
                SqlCommand command = BuildIntCommand(connection, storedProcName, parameters);
                rowsAffected = command.ExecuteNonQuery();
                result = (int)command.Parameters["ReturnValue"].Value;
                //Connection.Close();
                return result;
            }
        }
        public static void ExecuteProcedure(string storedProcName, IDataParameter[] parameters)
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                SqlCommand command = BuildIntCommand(connection, storedProcName, parameters);
                try
                {
                    connection.Open();
                    command.ExecuteNonQuery();
                    connection.Close();
                }
                catch (Exception e)
                {
                    throw e;
                }
                finally
                {
                    if (command != null)
                        command.Dispose();
                    if (connection != null)
                        connection.Close();
                }
            }
        }


        /// <summary>
        /// 创建 SqlCommand 对象实例(用来返回一个整数值) 
        /// </summary>
        /// <param name="storedProcName">存储过程名</param>
        /// <param name="parameters">存储过程参数</param>
        /// <returns>SqlCommand 对象实例</returns>
        private static SqlCommand BuildIntCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
        {
            SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
            //command.Parameters.Add(new SqlParameter("ReturnValue",
            //    SqlDbType.Int, 4, ParameterDirection.ReturnValue,
            //    false, 0, 0, string.Empty, DataRowVersion.Default, null));
            command.Parameters.Add(new SqlParameter("ReturnValue",
               SqlDbType.Int, 4, ParameterDirection.ReturnValue,
                0, 0, string.Empty, DataRowVersion.Default,false, null,"","",""));
            return command;
        }
        #endregion

        /// <summary>   
        ///  查询多个实体集合   
        /// </summary>   
        /// <typeparam name="T">返回的实体集合类型</typeparam>   
        /// <param name="sql">要执行的查询语句</param>      
        /// <param name="parameters">执行SQL查询语句所需要的参数</param>      
        /// <param name="commandType">执行的SQL语句的类型</param>   
        /// <returns></returns>   
        public static List<T> QueryForList<T>(string sql, int startRecord, int maxRecords, params SqlParameter[] parameters) where T : new()
        {
            DataSet ds = Query(sql, startRecord, maxRecords, parameters);
            if (ds != null && ds.Tables.Count > 0)
            {
                return EntityReader.GetEntities<T>(ds.Tables[0]);
            }
            else
            {
                return default(List<T>);
            }

        }

        /// <summary>   
        ///  查询多个实体集合   
        /// </summary>   
        /// <typeparam name="T">返回的实体集合类型</typeparam>   
        /// <param name="sql">要执行的查询语句</param>      
        /// <param name="parameters">执行SQL查询语句所需要的参数</param>      
        /// <param name="commandType">执行的SQL语句的类型</param>   
        /// <returns></returns>   
        public static List<T> QueryForList<T>(string sql, params SqlParameter[] parameters) where T : new()
        {
            DataSet ds = Query(sql, parameters);
            if (ds != null && ds.Tables.Count > 0)
            {
                return EntityReader.GetEntities<T>(ds.Tables[0]);
            }
            else
            {
                return default(List<T>);
            }

        }

        /// <summary>   
        /// 查询单个实体   
        /// </summary>   
        /// <typeparam name="T">返回的实体集合类型</typeparam>   
        /// <param name="sql">要执行的查询语句</param>      
        /// <param name="parameters">执行SQL查询语句所需要的参数</param>        
        /// <returns></returns>   
        public static T QueryForObject<T>(string sql, params SqlParameter[] parameters) where T : new()
        {
            List<T> list = QueryForList<T>(sql, parameters);
            if (list != null && list.Count > 0)
            {
                return list[0];
            }
            else
            {
                return default(T);
            }
        }

        /// <summary>
        /// 销售出库计划汇总-复制datatable表到数据库
        /// </summary>
        /// <param name="tableName">表名</param>
        /// <param name="TempTable">datatable</param>
        public static void CopyTempTable(string tableName, DataTable TempTable)
        {
            SqlBulkCopy sqlbulkcopy = new SqlBulkCopy(connectionString, SqlBulkCopyOptions.UseInternalTransaction);
            sqlbulkcopy.DestinationTableName = tableName;//数据库中的表名
            sqlbulkcopy.ColumnMappings.Add(0, "SalesPlanGatherDetails_Model");//机型名称
            sqlbulkcopy.ColumnMappings.Add(1, "SalesPlanGatherDetails_Code");//机种代码
            sqlbulkcopy.ColumnMappings.Add(2, "SalesPlanGather_ThirtyOne");//上月31
            sqlbulkcopy.ColumnMappings.Add(3, "One");//1
            sqlbulkcopy.ColumnMappings.Add(4, "Two");//2
            sqlbulkcopy.ColumnMappings.Add(5, "Three");//2
            sqlbulkcopy.ColumnMappings.Add(6, "Four");//1
            sqlbulkcopy.ColumnMappings.Add(7, "Five");//1
            sqlbulkcopy.ColumnMappings.Add(8, "Six");//1
            sqlbulkcopy.ColumnMappings.Add(9, "Seven");//1
            sqlbulkcopy.ColumnMappings.Add(10, "Eight");//1
            sqlbulkcopy.ColumnMappings.Add(11, "Nine");//1
            sqlbulkcopy.ColumnMappings.Add(12, "Ten");//1
            sqlbulkcopy.ColumnMappings.Add(13, "Eleven");//1
            sqlbulkcopy.ColumnMappings.Add(14, "Twelve");//1
            sqlbulkcopy.ColumnMappings.Add(15, "Thirteen");//1
            sqlbulkcopy.ColumnMappings.Add(16, "Fourteen");//1
            sqlbulkcopy.ColumnMappings.Add(17, "Fifteen");//1
            sqlbulkcopy.ColumnMappings.Add(18, "Sixteen");//1
            sqlbulkcopy.ColumnMappings.Add(19, "Seventeen");//1
            sqlbulkcopy.ColumnMappings.Add(20, "Eighteen");//1
            sqlbulkcopy.ColumnMappings.Add(21, "Nineteen");//1
            sqlbulkcopy.ColumnMappings.Add(22, "Twenty");//1
            sqlbulkcopy.ColumnMappings.Add(23, "Twentyone");//1
            sqlbulkcopy.ColumnMappings.Add(24, "TwentyTwo");//1
            sqlbulkcopy.ColumnMappings.Add(25, "TwentyThree");//1
            sqlbulkcopy.ColumnMappings.Add(26, "TwentyFour");//1
            sqlbulkcopy.ColumnMappings.Add(27, "TwentyFive");//1
            sqlbulkcopy.ColumnMappings.Add(28, "TwentySix");//1
            sqlbulkcopy.ColumnMappings.Add(29, "TwentySeven");//1
            sqlbulkcopy.ColumnMappings.Add(30, "TwentyEight");//1
            sqlbulkcopy.ColumnMappings.Add(31, "TwentyNine");//1
            sqlbulkcopy.ColumnMappings.Add(32, "Thirty");//1
            sqlbulkcopy.ColumnMappings.Add(33, "ThirtyOne");//1
            sqlbulkcopy.ColumnMappings.Add(34, "SalesPlanGatherDetails_Total");//1
            sqlbulkcopy.ColumnMappings.Add(35, "SalesPlanGatherDetails_SalesPlanGatherID");//销售出库计划汇总ID
            sqlbulkcopy.WriteToServer(TempTable);
        }

        /// <summary>
        /// 机加产出计划复制datatable表到数据库
        /// </summary>
        /// <param name="tableName">表名</param>
        /// <param name="TempTable">datatable</param>
        public static void CopyOutputPlanDetailsTempTable(string tableName, DataTable TempTable)
        {
            SqlBulkCopy sqlbulkcopy = new SqlBulkCopy(connectionString, SqlBulkCopyOptions.UseInternalTransaction);
            sqlbulkcopy.DestinationTableName = tableName;//数据库中的表名
            sqlbulkcopy.ColumnMappings.Add(35, "OutputPlanDetails_OutputPlanID");//机加产出计ID
            sqlbulkcopy.ColumnMappings.Add(36, "OutputPlanDetails_Edition");//版本
            sqlbulkcopy.ColumnMappings.Add(0, "OutputPlanDetails_MachiningModel");//机加机种
            sqlbulkcopy.ColumnMappings.Add(1, "OutputPlanDetails_Delayed");//延时设置值
            sqlbulkcopy.ColumnMappings.Add(2, "OutputPlanDetails_Name");//生产线
            sqlbulkcopy.ColumnMappings.Add(3, "OutputPlanDetails_FinishingDrawingNo");//精加工图号
            sqlbulkcopy.ColumnMappings.Add(4, "One");//1
            sqlbulkcopy.ColumnMappings.Add(5, "Two");//2
            sqlbulkcopy.ColumnMappings.Add(6, "Three");//2
            sqlbulkcopy.ColumnMappings.Add(7, "Four");//1
            sqlbulkcopy.ColumnMappings.Add(8, "Five");//1
            sqlbulkcopy.ColumnMappings.Add(9, "Six");//1
            sqlbulkcopy.ColumnMappings.Add(10, "Seven");//1
            sqlbulkcopy.ColumnMappings.Add(11, "Eight");//1
            sqlbulkcopy.ColumnMappings.Add(12, "Nine");//1
            sqlbulkcopy.ColumnMappings.Add(13, "Ten");//1
            sqlbulkcopy.ColumnMappings.Add(14, "Eleven");//1
            sqlbulkcopy.ColumnMappings.Add(15, "Twelve");//1
            sqlbulkcopy.ColumnMappings.Add(16, "Thirteen");//1
            sqlbulkcopy.ColumnMappings.Add(17, "Fourteen");//1
            sqlbulkcopy.ColumnMappings.Add(18, "Fifteen");//1
            sqlbulkcopy.ColumnMappings.Add(19, "Sixteen");//1
            sqlbulkcopy.ColumnMappings.Add(20, "Seventeen");//1
            sqlbulkcopy.ColumnMappings.Add(21, "Eighteen");//1
            sqlbulkcopy.ColumnMappings.Add(22, "Nineteen");//1
            sqlbulkcopy.ColumnMappings.Add(23, "Twenty");//1
            sqlbulkcopy.ColumnMappings.Add(24, "Twentyone");//1
            sqlbulkcopy.ColumnMappings.Add(25, "TwentyTwo");//1
            sqlbulkcopy.ColumnMappings.Add(26, "TwentyThree");//1
            sqlbulkcopy.ColumnMappings.Add(27, "TwentyFour");//1
            sqlbulkcopy.ColumnMappings.Add(28, "TwentyFive");//1
            sqlbulkcopy.ColumnMappings.Add(29, "TwentySix");//1
            sqlbulkcopy.ColumnMappings.Add(30, "TwentySeven");//1
            sqlbulkcopy.ColumnMappings.Add(31, "TwentyEight");//1
            sqlbulkcopy.ColumnMappings.Add(32, "TwentyNine");//1
            sqlbulkcopy.ColumnMappings.Add(33, "Thirty");//1
            sqlbulkcopy.ColumnMappings.Add(34, "ThirtyOne");//1
            sqlbulkcopy.WriteToServer(TempTable);
        }

        /// <summary>
        /// 月产量-复制datatable表到数据库
        /// </summary>
        /// <param name="tableName">表名</param>
        /// <param name="TempTable">datatable</param>
        public static void CopyMonthOutputDetailsTable(string tableName, DataTable TempTable)
        {
            SqlBulkCopy sqlbulkcopy = new SqlBulkCopy(connectionString, SqlBulkCopyOptions.UseInternalTransaction);
            sqlbulkcopy.DestinationTableName = tableName;//数据库中的表名
            sqlbulkcopy.WriteToServer(TempTable);
        }



    }
}
